Finding the Fourth Proportional to 117,356,984.80, 176,059,096.80 and 98,319,587.20
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Solution
The fourth proportional to 117,356,984.80, 176,059,096.80 and 98,319,587.20 is: 147,499,168.88
Step by Step Solution
- Step 1: Write the proportion equation
117,356,984.80 : 176,059,096.80 = 98,319,587.20 : x - Step 2: Convert to fraction form
117,356,984.80/176,059,096.80 = 98,319,587.20/x - Step 3: Cross multiply
117,356,984.80x = 176,059,096.80 × 98,319,587.20 - Step 4: Simplify right side
117,356,984.80x = 17,310,057,720,180,842 - Step 5: Solve for x
x = 17,310,057,720,180,842/117,356,984.80 - Step 6: Final answer
x = 147,499,168.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.